<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>4xx错误</title>
    <link rel="stylesheet" href="/webjars/bootstrap/3.4.1/css/bootstrap.min.css">
    <script src="/webjars/jquery/3.6.0/jquery.min.js"></script>
    <script src="/webjars/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
    <div class="panel panel-primary">
        <div class="panel-heading">
            <h3 class="panel-title">5xx错误展示</h3>
        </div>
        <div class="panel-body">
            <h1>出现了5xx错误！</h1>
        </div>
    </div>

</div>
</body>
</html>